<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <input type="text" placeholder="id" readonly v-model="p.id">
  <input type="text" placeholder="商品名"  v-model="p.title">
  <input type="text" placeholder="商品价格" v-model="p.price" >
  <input type="text" placeholder="商品销量" v-model="p.saleCount" >
  <input type="button" value="修改" @click="update">
</div>
<script src="js/axios.min.js"></script>
<script src="js/vue.js"></script>
<script>
  let v =new Vue({
    el:"div",
    data:{
      p:{}
    },
    created:function () {
      let id =location.search.split("=")[1];
      axios.get("/selectById?id="+id).then(function (rs) {
        v.p = rs.data;
      })
    },
      methods:{
        update(){
            axios.post("/update",v.p).then(function () {
                alert("修改成功");
                location.href="/list.html";
            })
        }
      }
  })
</script>
</body>
</html>